Establishing patterns in the dynamic loading on the body of a semi­wagon with an elastic middle part of the girder beam

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.211936

Keywords:

freight wagon, semi-wagon, load-bearing structure, girder beam, dynamic loading, strength, fatigue strength, frequency analysis, transport mechanics, railroad transport

Abstract

To reduce the dynamic loading and prolong the service life of a semi-wagon's girder beam by improving its fatigue strength, it has been proposed to improve its design. A special feature of the girder beam is that its middle part (the distance between the rear supports of auto-couplings) consists of a U-shaped profile, covered with a horizontal sheet above which an I-beam is located. Elastic elements are placed between the horizontal part of the U-shaped profile's shelf and the sheet. Mathematical modeling was performed to substantiate the proposed technical solution. A mathematical model has been constructed describing the fluctuations of the bouncing wagon. It has been established that the maximum vertical acceleration of the body is about 1.8 m/s2 (0.18 g), and of the bogie ‒ about 9.0 m/s2 (0.9 g). Based on our calculations, we can conclude that a wagon's movement is assessed as "excellent". In this case, the use of the girder beam with elastic links makes it possible to reduce the dynamic load on a wagon, in comparison with the prototype, by almost 35 %.

The main indicators of the strength of the improved load-bearing structure of a wagon have been determined. The maximum equivalent strains occur, in this case, in the upper horizontal sheet of the girder beam, and are 136.0 MPa, which are lower, by 20 %, than those of the prototype wagon. The results of the modal analysis of the load-bearing structure of a semi-wagon taking into consideration the improvement measures have demonstrated that their natural frequencies of oscillations are within the permissible limits.

Our research could help reduce the dynamic loading on the load-bearing structures of wagons in operation, as well as design the innovative structures of rolling stock

Author Biographies

Oleksij Fomin, State University of Infrastructure and Technology Kyrylivska str., 9, Kyiv, Ukraine, 04071

Doctor of Technical Sciences, Professor

Department of Cars and Carriage Facilities

Alyona Lovska, Ukrainian State University of Railway Transport Feierbakh sq., 7, Kharkiv, Ukraine, 61050

PhD, Associate Professor

Department of Wagons

Ievgen Medvediev, Volodymyr Dahl East Ukrainian National University Tsentralnyi ave., 59-a, Severodonetsk, Ukraine, 93400

PhD

Department of Logistics and Traffic Safety

Halyna Shatkovska, Kyiv National University of Technologies and Design Nemyrovycha-Danchenka str., 2, Kyiv, Ukraine, 01011

PhD, Associate Professor

Department of Physics

References

  1. Šťastniak, P., Kurčík, P., Pavlík, A. (2018). Design of a new railway wagon for intermodal transport with the adaptable loading platform. MATEC Web of Conferences, 235, 00030. doi: https://doi.org/10.1051/matecconf/201823500030
  2. Stoilov, V., Purgić, S., Slavchev, S. S. (2015). Static strength analysis of the body of a wagon, series Zans. Journal of The Balkan Tribological Association, 21, 49–57. Available at: https://www.semanticscholar.org/paper/STATIC-STRENGTH-ANALYSIS-OF-THE-BODY-OF-A-WAGON%2C-Stoilov-Purgi%C4%87/633c5cf68afdd73c979ef9a2c4f505deb600988c
  3. Neduzha, L. O., Shvets, A. O. (2018). Theoretical and experimental research of strength properties of spine beam of freight cars. Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, 1 (73), 131–147. doi: https://doi.org/10.15802/stp2018/123457
  4. Boronenko, Y. P., Filippova, I. O. (2017). Selection of constructive solutions of car elements with small empty weight. Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, 3 (69), 121–129. doi https://doi.org/10.15802/stp2017/104546
  5. Milovanović, V., Dunić, V., Rakić, D., Živković, M. (2013). Identification causes of cracking on the underframe of wagon for containers transportation – Fatigue strength assessment of wagon welded joints. Engineering Failure Analysis, 31, 118–131. doi: https://doi.org/10.1016/j.engfailanal.2013.01.039
  6. Sokolov, A. M., Savushkina, I. V., Novoselov, A. Iu., Korotkov, D. S. (2019). Multifunctional configuration for wagon longitudinal tie rod. Transport Rossiyskoy Federatsii. Zhurnal o nauke, praktike, ekonomike, 1 (80), 50–55. Available at: https://cyberleninka.ru/article/n/universalnyy-profil-dlya-hrebtovoy-balki-vagonov
  7. Vatulia, G., Falendysh, A., Orel, Y., Pavliuchenkov, M. (2017). Structural Improvements in a Tank Wagon with Modern Software Packages. Procedia Engineering, 187, 301–307. doi: https://doi.org/10.1016/j.proeng.2017.04.379
  8. Fomin, O., Lovska, A., Kulbovskyi, I., Holub, H., Kozarchuk, I., Kharuta, V. (2019). Determining the dynamic loading on a semi-wagon when fixing it with a viscous coupling to a ferry deck. Eastern-European Journal of Enterprise Technologies, 2 (7 (98)), 6–12. doi: https://doi.org/10.15587/1729-4061.2019.160456
  9. Domin, Yu. V., Cherniak, H. Yu. (2003). Osnovy dynamiky vahoniv. Kyiv: KUETT, 269.
  10. Kir'yanov, D. V. (2006). Mathcad 13. Sankt-Peterburg: BHV. Peterburg, 608.
  11. D'yakonov, V. (2000). MATHCAD 8/2000: spetsial'niy spravochnik. Sankt-Peterburg: Piter, 592.
  12. Fomin, O., Lovska, A., Pistek, V., Kucera, P. (2020). Research of stability of containers in the combined trains during transportation by railroad ferry. MM Science Journal, 2020 (1), 3728–3733. doi: https://doi.org/10.17973/mmsj.2020_03_2019043
  13. Fomin, O. V. (2015). Increase of the freight wagons ideality degree and prognostication of their evolution stages. Scientific Bulletin of National Mining University, 3, 68–76. Available at: http://nv.nmu.org.ua/index.php/en/monographs-and-innovations/monographs/1078-engcat/archive/2015/contents-no-3-2015/geotechnical-and-mining-mechanical-engineering-machine-building/3040-increase-of-the-freight-wagons-ideality-degree-and-prognostication-of-their-evolution-stages
  14. Lovskaya A., Ryibin А. (2016). The study of dynamic load on a wagon–platform at a shunting collision. Eastern-European Journal of Enterprise Technologies, 3 (7 (81)), 4–8. doi: https://doi.org/10.15587/1729-4061.2016.72054
  15. Kondratiev, A. V., Gaidachuk, V. E., Kharchenko, M. E. (2019). Relationships Between the Ultimate Strengths of Polymer Composites in Static Bending, Compression, and Tension. Mechanics of Composite Materials, 55 (2), 259–266. doi: https://doi.org/10.1007/s11029-019-09808-x
  16. DSTU 7598:2014. Freight wagons. General reguirements to calculation and designing of the new and modernized 1520 mm gauge wagons (non-self-propelled) (2015). Kyiv, 162.
  17. GOST 33211-2014. Freight wagons. Requirements to structural strength and dynamic qualities (2016). Moscow, 54.
  18. Alyamovskiy, A. A. (2007). SolidWorks/COSMOSWorks 2006–2007. Inzhenerniy analiz metodom konechnyh elementov. Moscow, 784.
  19. Lovska, A., Fomin, O., Píštěk, V., Kučera, P. (2019). Dynamic load computational modelling of containers placed on a flat wagon at railroad ferry transportation. Vibroengineering PROCEDIA, 29, 118–123. doi: https://doi.org/10.21595/vp.2019.21132
  20. Fomin, O., Lovska, A., Radkevych, V., Horban, A., Skliarenko, I., Gurenkova, O. (2019). The dynamic loading analysis of containers placed on a flat wagon during shunting collisions. ARPN Journal of Engineering and Applied Sciences, 14 (21), 3747–3752. Available at: http://www.arpnjournals.org/jeas/research_papers/rp_2019/jeas_1119_7989.pdf
  21. Kliuiev, S. (2018). Experimental study of the method of locomotive wheel­rail angle of attack control using acoustic emission. Eastern-European Journal of Enterprise Technologies, 2 (9 (92)), 69–75. doi: https://doi.org/10.15587/1729-4061.2018.122131
  22. Kitov, Y., Verevicheva, M., Vatulia, G., Orel, Y., Deryzemlia, S. (2017). Design solutions for structures with optimal internal stress distribution. MATEC Web of Conferences, 133, 03001. doi: https://doi.org/10.1051/matecconf/201713303001
  23. Lukin, V. V., Shadur, L. A., Koturanov, V. I., Hohlov, A. A., Anisimov, P. S. (2000). Konstruirovanie i raschet vagonov. Moscow: UMK MPS Rossii, 731.
  24. EN 12663-2:2010. Railway applications - structural requirements of railway vehicle bodies - Part 2: Freight wagons.

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Published

2020-10-31

How to Cite

Fomin, O., Lovska, A., Medvediev, I., & Shatkovska, H. (2020). Establishing patterns in the dynamic loading on the body of a semi­wagon with an elastic middle part of the girder beam. Eastern-European Journal of Enterprise Technologies, 5(7 (107), 30–37. https://doi.org/10.15587/1729-4061.2020.211936

Issue

Vol. 5 No. 7 (107) (2020): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2020 Oleksij Fomin, Alyona Lovska, Ievgen Medvediev, Halyna Shatkovska

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